#578D99#578D99

#578D99 is a mid, muted cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.060 H 213.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#578D99
RGB	rgb(87, 141, 153)
HSL	hsl(191, 28%, 47%)
HSV	hsv(191, 43%, 60%)
CMYK	cmyk(43.1%, 7.8%, 0%, 40%)
CIE-LAB	lab(55.46, -14.61, -11.99)
CIE-LCH	lch(55.46, 18.90, 219.38°)
OKLab	oklab(61.03% -0.0501 -0.033)
OKLCH	oklch(61.03% 0.06 213.4)
XYZ	xyz(19.2030, 23.3745, 33.6306)
Luminance	0.2338 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578D99 #996357

analogous

#579984 #578D99 #576C99

triadic

#578D99 #99578D #8D9957

tetradic

#578D99 #845799 #996357 #6C9957

square

#578D99 #845799 #996357 #6C9957

split-complementary

#578D99 #99576C #998457

monochromatic

#2B454B #416972 #578D99 #7AA9B3 #A1C2C9

Accessibility & contrast

On white

3.70

#578D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#578D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578D99

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578D99	#FFFFFF	#000000	##000000
##578D99	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84899A

Deuteranopia (green-blind)

#798199

Tritanopia (blue-blind)

#3A9291

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #578d99;
/* rgb */ color: rgb(87, 141, 153);
/* oklch */ color: oklch(61.0% 0.060 213.4);

Tailwind

colors: {
  custom: {
    50: '#8aaeb7',
    500: '#578d99',
    950: '#000000',
  },
}

SCSS

$custom: #578d99;
$custom-light: #8aaeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#578d99",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 190.909,
    "s": 27.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.61033,
    "c": 0.05997,
    "h": 213.4
  },
  "luminance": 0.23376
}

Semantic roles & 50–950 ramp

primary

#578D99

secondary

#B79B95

accent

#7564C4

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C1011

muted

#7D7F80

Preview Lab

Preview with #578D99

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →